He often watches people _____________by.
I don’t know if he _____ tomorrow. If he _____, I’ll go to see him.
---I don’t want to go to school on foot. What should I do? ---You try asking your father for a bike, or you can go by bus.
—Could you tell me what time the train leaves Xiangyang for Beijing?—Sorry, I don’t know, either. You can on the Internet.
—Both of the skirts are in style this year. —Yes, but I think the green one is .
---Could you me with information about Student Exchange Program?---Yes, of course. It’s on this piece of paper.